Home / 132,291.01-182,491.60-83,807.40

Finding the Fourth Proportional to 132,291.01, 182,491.60 and 83,807.40

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Solution

The fourth proportional to 132,291.01, 182,491.60 and 83,807.40 is: 115,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,291.01 : 182,491.60 = 83,807.40 : x
  2. Step 2: Convert to fraction form
    132,291.01/182,491.60 = 83,807.40/x
  3. Step 3: Cross multiply
    132,291.01x = 182,491.60 × 83,807.40
  4. Step 4: Simplify right side
    132,291.01x = 15,294,146,098.80
  5. Step 5: Solve for x
    x = 15,294,146,098.80/132,291.01
  6. Step 6: Final answer
    x = 115,609.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.